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1 /* Definitions of target machine for GNU compiler, for MCore using COFF/PE.
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2 Copyright (C) 1994, 1999, 2000, 2002, 2003, 2004, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by Michael Tiemann (tiemann@cygnus.com).
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 3, or (at your option)
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11 any later version.
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12
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13 GCC is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 /* Run-time Target Specification. */
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23 #define TARGET_VERSION fputs (" (MCORE/pe)", stderr)
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24
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25 #define TARGET_OS_CPP_BUILTINS() \
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26 do \
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27 { \
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28 builtin_define ("__pe__"); \
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29 } \
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30 while (0)
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31
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32 /* The MCore ABI says that bitfields are unsigned by default. */
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33 /* The EPOC C++ environment does not support exceptions. */
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34 #undef CC1_SPEC
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35 #define CC1_SPEC "-funsigned-bitfields %{!DIN_GCC:-fno-rtti} %{!DIN_GCC:-fno-exceptions}"
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36
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37 #undef SDB_DEBUGGING_INFO
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38 #define DBX_DEBUGGING_INFO 1
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39
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40 /* Computed in toplev.c. */
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41 #undef PREFERRED_DEBUGGING_TYPE
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42
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43 #define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata"
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44
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45 #define MCORE_EXPORT_NAME(STREAM, NAME) \
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46 do \
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47 { \
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48 fprintf (STREAM, "\t.section .drectve\n"); \
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49 fprintf (STREAM, "\t.ascii \" -export:%s\"\n", \
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50 (* targetm.strip_name_encoding) (NAME)); \
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51 in_section = NULL; \
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52 } \
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53 while (0);
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54
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55 /* Output the label for an initialized variable. */
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56 #undef ASM_DECLARE_OBJECT_NAME
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57 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
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58 do \
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59 { \
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60 if (mcore_dllexport_name_p (NAME)) \
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61 { \
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62 section *save_section = in_section; \
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63 MCORE_EXPORT_NAME (STREAM, NAME); \
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64 switch_to_section (save_section); \
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65 } \
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66 ASM_OUTPUT_LABEL ((STREAM), (NAME)); \
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67 } \
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68 while (0)
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69
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70 /* Output a function label definition. */
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71 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
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72 do \
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73 { \
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74 if (mcore_dllexport_name_p (NAME)) \
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75 { \
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76 MCORE_EXPORT_NAME (STREAM, NAME); \
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77 switch_to_section (function_section (DECL)); \
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78 } \
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79 ASM_OUTPUT_LABEL ((STREAM), (NAME)); \
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80 } \
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81 while (0);
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82
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83 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
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84
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85 #define DBX_LINES_FUNCTION_RELATIVE 1
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86
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87 #define STARTFILE_SPEC "crt0.o%s"
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88 #define ENDFILE_SPEC "%{!mno-lsim:-lsim}"
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89
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90 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script. */
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91 #define CTOR_LISTS_DEFINED_EXTERNALLY
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92
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93 #undef DO_GLOBAL_CTORS_BODY
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94 #undef DO_GLOBAL_DTORS_BODY
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95 #undef INIT_SECTION_ASM_OP
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96 #undef DTORS_SECTION_ASM_OP
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97
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98 #define SUPPORTS_ONE_ONLY 1
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99
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100 /* Switch into a generic section. */
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101 #undef TARGET_ASM_NAMED_SECTION
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102 #define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
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